Diabetic retinopathy identification based on multi-source-free domain adaptation
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Wei-Hua Yang and Shao-Chong Zhang. Shenzhen Eye Institute, Shenzhen Eye Hospital, Jinan University, Shenzhen 518040, Guangdong Province, China. benben0606@139.com; zhangshaochong@gzzoc.com. Bin Sun. Shanxi Eye Hospital, Taiyuan 030002, Shanxi Province, China. sunbineye@163.com

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Supported by the Fund for Shanxi “1331 Project” and Supported by Fundamental Research Program of Shanxi Province (No.202203021211006); the Key Research, Development Program of Shanxi Province (No.201903D311009); the Key Research Program of Taiyuan University (No.21TYKZ01); the Open Fund of Shanxi Province Key Laboratory of Ophthalmology (No.2023SXKLOS04); Shenzhen Fund for Guangdong Provincial High-Level Clinical Key Specialties (No.SZGSP014); Sanming Project of Medicine in Shenzhen (No.SZSM202311012); Shenzhen Science and Technology Planning Project (No.KCXFZ20211020163813019).

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    Abstract:

    AIM: To address the challenges of data labeling difficulties, data privacy, and necessary large amount of labeled data for deep learning methods in diabetic retinopathy (DR) identification, the aim of this study is to develop a source-free domain adaptation (SFDA) method for efficient and effective DR identification from unlabeled data. METHODS: A multi-SFDA method was proposed for DR identification. This method integrates multiple source models, which are trained from the same source domain, to generate synthetic pseudo labels for the unlabeled target domain. Besides, a softmax-consistence minimization term is utilized to minimize the intra-class distances between the source and target domains and maximize the inter-class distances. Validation is performed using three color fundus photograph datasets (APTOS2019, DDR, and EyePACS). RESULTS: The proposed model was evaluated and provided promising results with respectively 0.8917 and 0.9795 F1-scores on referable and normal/abnormal DR identification tasks. It demonstrated effective DR identification through minimizing intra-class distances and maximizing inter-class distances between source and target domains. CONCLUSION: The multi-SFDA method provides an effective approach to overcome the challenges in DR identification. The method not only addresses difficulties in data labeling and privacy issues, but also reduces the need for large amounts of labeled data required by deep learning methods, making it a practical tool for early detection and preservation of vision in diabetic patients.

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Guang-Hua Zhang, Guang-Ping Zhuo, Zhao-Xia Zhang, et al. Diabetic retinopathy identification based on multi-source-free domain adaptation. Int J Ophthalmol, 2024,17(7):1193-1204

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Publication History
  • Received:January 12,2024
  • Revised:March 04,2024
  • Adopted:
  • Online: June 25,2024
  • Published: